3216651263 has 8 divisors (see below), whose sum is σ = 3694835232. Its totient is φ = 2743132896.

The previous prime is 3216651259. The next prime is 3216651271. The reversal of 3216651263 is 3621566123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3216651263 - 2² = 3216651259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216651253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164920 + ... + 1167677.

It is an arithmetic number, because the mean of its divisors is an integer number (461854404).

Almost surely, 2^3216651263 is an apocalyptic number.

3216651263 is a deficient number, since it is larger than the sum of its proper divisors (478183969).

3216651263 is a wasteful number, since it uses less digits than its factorization.

3216651263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332801.

The product of its digits is 38880, while the sum is 35.

The square root of 3216651263 is about 56715.5292931310. The cubic root of 3216651263 is about 1476.1641695697.

The spelling of 3216651263 in words is "three billion, two hundred sixteen million, six hundred fifty-one thousand, two hundred sixty-three".